diff --git a/api-ref/source/v3/parameters.yaml b/api-ref/source/v3/parameters.yaml
index 3192972fc40..e71be6fabde 100644
--- a/api-ref/source/v3/parameters.yaml
+++ b/api-ref/source/v3/parameters.yaml
@@ -2314,7 +2314,7 @@ qos_specs_id:
   description: |
     The QoS specifications ID.
   in: body
-  required: true
+  required: false
   type: string
 QoS_support:
   description: |
diff --git a/api-ref/source/v3/volumes-v3-types.inc b/api-ref/source/v3/volumes-v3-types.inc
index ef2695f4cde..068005dcce5 100644
--- a/api-ref/source/v3/volumes-v3-types.inc
+++ b/api-ref/source/v3/volumes-v3-types.inc
@@ -58,7 +58,7 @@ Response Parameters
 
    - volume_type: volume_type_1
    - is_public: is_public_volume_type_required
-   - extra_specs: extra_specs_volume_type_required
+   - extra_specs: extra_specs_volume_type_optional
    - description: description_volume_type_required
    - name: name_volume_type_required
    - id: volume_type_id
@@ -279,7 +279,7 @@ Response Parameters
 
    - volume_type: volume_type_1
    - is_public: is_public_volume_type_required
-   - extra_specs: extra_specs_volume_type_required
+   - extra_specs: extra_specs_volume_type_optional
    - description: description_volume_type_required
    - name: name_volume_type_required
    - id: volume_type_id_body
@@ -323,7 +323,7 @@ Response Parameters
 
    - volume_type: volume_type_1
    - is_public: is_public_volume_type_required
-   - extra_specs: extra_specs_volume_type_required
+   - extra_specs: extra_specs_volume_type_optional
    - description: description_volume_type_required
    - name: name_volume_type_required
 
@@ -393,7 +393,7 @@ Response Parameters
 .. rest_parameters:: parameters.yaml
 
    - volume_types: volume_types
-   - extra_specs: extra_specs_volume_type_required
+   - extra_specs: extra_specs_volume_type_optional
    - name: name_volume_type_required
    - is_public: is_public_volume_type_required
    - description: description_volume_type_required
@@ -449,7 +449,7 @@ Response Parameters
 
    - volume_type: volume_type_1
    - is_public: is_public_volume_type_required
-   - extra_specs: extra_specs_volume_type_required
+   - extra_specs: extra_specs_volume_type_optional
    - description: description_volume_type_required
    - name: name_volume_type_required
    - id: volume_type_id_body